478451603 has 4 divisors (see below), whose sum is σ = 546801840. Its totient is φ = 410101368.

The previous prime is 478451579. The next prime is 478451641. The reversal of 478451603 is 306154874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306154874 = 2 ⋅153077437.

It is a cyclic number.

It is not a de Polignac number, because 478451603 - 2¹⁰ = 478450579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478451653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34175108 + ... + 34175121.

It is an arithmetic number, because the mean of its divisors is an integer number (136700460).

Almost surely, 2^478451603 is an apocalyptic number.

478451603 is a deficient number, since it is larger than the sum of its proper divisors (68350237).

478451603 is an equidigital number, since it uses as much as digits as its factorization.

478451603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68350236.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 478451603 is about 21873.5365910499. The cubic root of 478451603 is about 782.1307089156.

The spelling of 478451603 in words is "four hundred seventy-eight million, four hundred fifty-one thousand, six hundred three".